tibbles



(No Model.-)

G. N. TIBBLES.

DEVICE FOR CONVERTING RBOIPROOATING INTO ROTARY MOTION.

No. 3 16;961. PatentedAug 10, 1886.

llVVE/VTOR WITNESSES:

ATTORNEY N. PEKERS. Pmwuma n hu, Washingion, 04C;

. UNITED STATES PATEN Fries.

DEVICE FOR CONVERTING RECIPROCATING INTO ROTARY MOTION.

SPECIFICATION forming part of Letters Patent No. 346,981, dated August10, 1886.

' Application filed December31, isss. Serial no. 1ST,282; (No model.)

To all whom it may concern.-

Be it known that I, GEORGE N. TIEELEs, a citizen of theUnited States,and a resident of Jersey City, in the county of Hudson and State of NewJersey, have invented certain new and useful Improvements in Means forConverting a Reciprocating Motion into a Rotary Motion, of which thefollowing is a specification.

The invention relates to improved means for converting a reciprocatingmotion into a continuous reversible rotary motion; and it consists inthe devices hereinafter described, and particularly pointed out in theclaims.

The invention sought to be protected hereby is an improvement on theinvention described and claimed in Letters Patent of the United Statesgranted to me July 16, 1872, and numbered 129,437. g It is to beunderstood, however, that the present invention is not limited to use ontraction-engines, since it is equally applicable for use in connectionwith any machinerywhereit is desired to convert a reciprocating motioninto a continuous rotary motion.

In the accompanying drawings, forming a part of this application, Figurel is a plan view of an arrangement of devices embodying the invention.Fig.2 is a vertical section of same, taken 011 the dotted line .00 w ofFig. 1.

Fig. 3 is a detached plan view of a portion of the mechanism, and ishereinafter referred to. Fig. 4 is a section through one of the cams onthe dotted line shown in Fig. 3, and Fig. 5 is a detached view of thejoined ends of the connecting-rods to which the reciprocating movementis imparted.

In the drawings, A A designate connecting rods, which are secured on asingle pivot at one end to a lever or any other suitable deviceconnected with and adapted to receive a reciprocating motion from thepiston'rod of an engine in any well-known manner. The other ends of theconnecting-rods A A diverge outward, one being pivoted in the outerportion of the shoe B and the other in the like portion of the shoe 0.The shoes 13 (l are exactly the same in outline and construction, andone is located above and the other below the clutch-wheel D.

Each of the shoes B O is in the form of a hollow shell, and receives theshank end of the clutch-block E, the other end ofwhich is enlargedlaterally and has a convex face in near relation to the periphery of theclutch wheel D. The block E has a transverse elon= gated opening orslot, F, through which and apertures G in the shoe passes a pin,II,whereby the block is retained in position. In the space between thepin H and the solid end of the' block is a wedge, I, which is insertedthrough lateral openings in the shoe and held between the screws J onoppositeedges thereof.

The purpose of the wedge I is to enable the adj nstment of the block Enearer to or farther from the periphery of the wheel D, according to theproportions of the parts and other circumstances. After the desiredadjustment of the cluteh-bloek E with relation to the wheel D has beenattained, a suitable packing-say The clutch-wheel D is rigidly mountedup on a shaft or axle, M, upon which, on one side of the wheel, isarranged a washer, N, and

sleeve 0, which carries or is formed in one piece with the cams letteredI? Q, respectively, and the hand-lever It. The lever B and sleeve 0,with cams P Q projecting at opposite sides therefrom, constitute whatmay be termed the reverse, since by turning the sleeve by means of thelever the cams P Q are thrown into a different position with relation tothe yokes S T inclosing them, and operate, as hereinafter specified, toreverse the motion of the wheel D.

The cams P- Q are similar in outline and construction, and'eaeh has atransverse slot, V, inclosing a headed screw, IV, and opening into anaperture, X, wherein upon the shank of the screw is a nut, Y, and coiledspring, Z, as shown in Figs. 3 and 4, the purpose of the screw with itsspring and adj listing-nut being to compensate for any wear on the edgesof the cam and surrounding yoke, and to give said yoke the particularinclination desired, in order to attain the most satisfactory results.

The yokes S T are respectively connected with one end of the spring-barsa b, the other ends of which are pivoted, respectively, to the links 0d,.rigidly connected to or formed in one piece with the shoes 13 0.

Upon the pins II II are retained the outer ends of the bars f, the innerends of which are secured upon the sleeve 0, hereinbefore referred to.Upon the inner side of the bars 0 f, near their inner ends, are smallblocks 9 h,retained in position by screws, and through which pass thespring-bars a b, as shown in Fig. 2.

A semicircular rest and guide, i, attached to the mechanismin anysuitable manner, may be provided for the lever B of the reverse, ifpreferred.

Operation: The lever B and cams P Q being in the position shown in Fig.1, and the rods A A being drawn to the left, the shoes B G will be at anangle to each other on the lefthand side of the vertical center'of theclutchwheel D, in which condition of the mechanism the spring-bar a isbent slightly toward the left, and the left-hand end of the convex faceof the upper clutch-lock E is in contact with the wheel D ata tangent toits periphery,

while the convex face of the lower clutch-lock E slightly escapescontact with said wheel. The parts being in the position specified, areciprocating movement to the right applied to the rods A A would havethe effect of causing the lower clutch-block E to move easily to theright of the vertical center of the wheel D until the left-hand end ofits convex face came in contact with the periphery of said wheel, and atthe same time of moving the upper clutch block, E, to the right, whichlatter clutclrblock, being at this time in firm contact with the wheel,causes it to rotate with the axle M until the spring-bar a has becomestraightened by the movement, and the distance between the block and theaxle thus slightly increased, whereby the upper clutch-block will befreed from firm union with the wheel. The movement of the rods A A tothe right, it will be observed, causes the upper clutchblock to rotatethe wheel D and axle M a given distance and brings the lowerclutch-block into position, whereby, when the rods A A are drawn to theleft, it will continue the rotation of the wheel, while at the same timethe upper clutch-block E returns to its former position, being thatshown in Fig. 1. When the rods A A are moved to the right, the upperclutch-block rotates the wheel D, and the lower clutch -block gets intoposition, and when the rods A A are drawn to the left the lowerclutch-block continues the rotation of the wheel, and the upperclutchblock is brought into proper position to engage the wheel duringthe next movement to the right of said rods. The clutch-blocks thusalternately engage the wheel and impart to it a continuous rotarymotion. When an intermittent rotary motion of the wheel D is desired,only one of the clutch-blocks need be employed.

In the foregoing description I have ex plaincd the continuous rotationof the wheel D in one direction. This movement, however, may be reversedand the wheel given-a continuous rotation in the opposite directionbysimply moving the lever B downward and thus altering the position of thecams P Q in their yokes S T. Under this condition of the mechanism theright-hand ends of the convex faces of the blocks E will alternatelyengage the wheel D, instead of the left-hand ends, as before.

What I claim as my invention,and desire to secure by Letters Patent, is-

1. The devices for converting a reciprocating into a rotary motion,which consists of the clutch-wheel secured on a shaft, the clutchblocksmounted in shoes B 0, bars connecting the 'shoes to the axle of thewheel, eonnectingrods A A, the spring-bars a b, secured at one end tothe shoes, and having at the other yokes S T and cams P Q, securedwithin the said yokes, substantially as set forth.

2. The devices for converting a reciprocating into a rotary motion,which consists of the clutch-wheel, clutch-blocks mounted inpivotally-secured shoes, to which power is applied, the reverse-sleeve Oon the axle of the wheel and carrying cams P Q, the yokes inclosing saidcams, and spring-bars between the shoes and the cams, substantially asshown and described.

3. In means for converting a reciprocating motion into a rotary motion,the wheel, clutchblocks, shoes, spring-bars, yokes, cams, andreverse-sleeve, combined and arranged substantially and for the purposesdescribed.

4. The devices for converting a reciprocating into a rotary motion,which consists of the wheel, the shoe inclosing the clutch-block andreceiving the power, the bar connecting the shoe with the axle of thewheel, the springbar attached at one end to the shoe or a link connectedtherewith, and having at the other end a yoke, and the cam on said axleand inclosed by said yoke, substantially as set forth.

5. In devices for converting a reciprocating into a rotary motion, thereverse 0, mounted on the axle of the clutch-wheel and carrying camswhich coact through rods with reciprocating shoes on the periphery ofthe wheel, substantially as and for the purposes described.

6. In devices for converting a rcciprocating into a rotary motion, theclutch-wheel, clutch-blocks, spring-bars, yokes connected with said barsand encompassing the axle of said wheel, and the oppositely-projectingcams which are inclosed by said yokes and have an adjustable pin orsection, W, substantially as set forth.

7. In devices for converting a reciprocating into a rotary motion,substantially as hereinbefore described, the shoe adapted to have areciprocating motion and an oscillating 'motion and inclosing theclutch-block and adj usting-wedge, as set forth.

8. In devices for converting a reciprocating into rotary motion,substantially as de- Signed at New York, in the county of New scribed,the shoe adapted to have a reeipro- York and State of New York, this28th day eating motion and an oscillating motion, and of December, A. D.1885.

inclosing the clutch-block, adjusting-wedge GEORGE N. TIBBLES. 5 heldbetween set-screws, and a packing retained \Vitnesses: 1

by SGlCW L, substantially as shown and de- CHAS. G. GILL,

scribed. EDWARD YVOLFF.

